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3. F. Micheel, Chemie der Zucker und Polysaccharide, Akad. Verlagsges., Leipzig, 1956.
4. E. Percival and R. H. McDowell, Chemistry and Enzymology of Marine Algae Polysaccharides, Academic Press, London, 1967.
5. J. Stanek, M. Cerny, and J. Pacak, The Oligosaccharides, Academic Press, New York, 1965.